Champion PP-28 User manual

Champion°

The Dishwashing Machine Specialists

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Champion

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Technical Manual

Pot, Pan, and

Utensil Door-type

Models:

PP-28

PP-28 Corner

PP-28 Front Feed

PP-28 Straight Thru

May, 2006

Champion Manual PIN 109844

Rev C

P. 0. Box 4149

2674 N. Service Road

Winston-Salem, North Carolina 27115-4149 Jordan Station, Ontario, Canada LOR iSO

336/661-1556 Fax: 336/661-1660 905/562-4195 Fax: 905/562-4618

www.championindustries.com

PP-28

PP-28 Corner

PP-28 Front Feed

PP-28 Straight Thru

Models:

Pot, Pan, and

Utensil Door-type

Champion Manual P/N 109844 Rev C

www.championindustries.com

2674 N. Service Road

Jordan Station, Ontario, Canada L0R 1S0

905/562-4195 Fax: 905/562-4618

P. O. Box 4149

Winston-Salem, North Carolina 27115-4149

336/661-1556 Fax: 336/661-1660

Technical Manual

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May, 2006

Complete the information below so it will be available for quick reference.

Model Number Serial Number

Voltage and Phase

Champion Service Agency

Champion Parts Source

Champion Service:

Champion (USA)

We strongly recommend that you Fax your orders.

NOTE: When calling to order parts, be sure to have the model number, serial

number, voltage and phase of your machine.

Machine Data Plate with

Model & Serial number

located on left side of

control cabinet panel.

Champion (Canada)

Phone: 1 (905) 562-4195

1 (800) 263-5798

Fax: 1 (905) 562-4618

Fi

Phone

Champion

Phone: 1 (336) 661-1556

1 (800) 858-4477

Fax: 1(336) 661-1660

Complete the information below so it will be available for quick reference.

Model Number Serial Number

Voltage and Phase

Champion Service Agency Phone

Champion Parts Source Phone

Champion Service:

Champion (USA) Champion (Canada)

Phone: 1 (336) 661-1556 Phone: 1 (905) 562-4195

1 (800) 858-4477 1 (800) 263-5798

Fax: 1 (336) 661-1660 Fax: 1 (905) 562-4618

We strongly recommend that you Fax your orders.

NOTE: When calling to order parts, be sure to have the model number, serial

number, voltage and phase of your machine.

Machine Data Plate with

Model & Serial number

located on left side of

control cabinet panel.

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Revision Revised Serial Number Comments

Date Pages Effectivity

11/01/02 All First issue of manual and replacement parts

10/13/03 46-47 — Inserted tracks for all models

10/13/03 58-61 J1789 Inserted new piping drawings - moved pressure

gauge after solenoid valve.

06/21/04 48-49 — Corrected part number 314187 to 314185 drain

overflow. Added overflow gaskets and o-rings.

REVISION HISTORY

REVISIONS

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5/26/06 45 ----- Changed rinse arm rebuild kit to P/N 900786

REVISION RECORD (CONT.)

REVISIONS

ii

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iii

CONTENTS

Page

REVISION HISTORY ...................................................................................................................... i

WARRANTY .................................................................................................................................. v

SAFETY SUMMARY ...................................................................................................................... vi

INTRODUCTION .......................................................................................................................... 1

GENERAL........................................................................................................................................ 2

INSTALLATION ............................................................................................................................ 3

Unpacking .......................................................................................................................... 3

Plumbing Connnections ...................................................................................................... 4

Electrical Connections ........................................................................................................ 5

Ventilation Connections ...................................................................................................... 5

Chemical Connections ........................................................................................................ 6

Dishtable Connections ........................................................................................................ 7

Completing Installation ...................................................................................................... 7

OPERATION .................................................................................................................................... 8

Inital Startup ........................................................................................................................ 8

Basic Operation .................................................................................................................. 9

MAINTENANCE ............................................................................................................................ 10

Maintenance Schedule ........................................................................................................ 11

Deliming .............................................................................................................................. 12

Lubrication .......................................................................................................................... 12

TROUBLESHOOTING .................................................................................................................. 13

COMPONENTS .............................................................................................................................. 16

Electrical Service ................................................................................................................ 18

Component Replacement .................................................................................................... 25

REPLACEMENT PARTS ................................................................................................................ 35

ELECTRICAL SCHEMATICS ...................................................................................................... 91

LIST OF FIGURES

Figure 1 — Lubrication Points .................................................................................................... 12

Figure 2 — Fuse Blocks .............................................................................................................. 18

Figure 3 — Motor Overload ...................................................................................................... 18

Figure 4 — Wash Pump Timer .................................................................................................... 19

Figure 5 — Final Rinse Timer .................................................................................................... 19

Figure 6 — Dual Float Switch .................................................................................................... 20

Figure 7 — Tank Heat Thermostats ............................................................................................ 21

Figure 8 — Booster Thermostat Locations (Electric) ................................................................ 21

Figure 9 — Booster High Limit Thermostat (Electric) .............................................................. 21

Figure 10 — Vacuum Breaker ...................................................................................................... 25

Figure 11 — Parker Valve Replacement........................................................................................ 26

TABLE OF CONTENTS

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TABLE OF CONTENTS

CONTENTS (CONT.)

LIST OF FIGURES

Page

Figure 12 — Asco Valve Replacement.......................................................................................... 28

Figure 13 — Line Strainer ............................................................................................................ 29

Figure 14 — Rear View High Limit.............................................................................................. 30

Figure 15 — Tank Element Placement.......................................................................................... 30

Figure 16 — Rear View of Electric Heating Element .................................................................. 30

Figure 17 — Booster High Limit .................................................................................................. 31

Figure 18 Typical 40˚ Rise Booster.......................................................................................... 31

Figure 19 — Typical 70˚ Rise Booster.......................................................................................... 31

Figure 20 — Pump Assembly Breakdown .................................................................................... 33

Figure 21 — Door Switch and Magnet ........................................................................................ 34

Figure 22 — Panels ...................................................................................................................... 36

Figure 23 — Door Assemblies ...................................................................................................... 38

Figure 24 — Cable Pulley Assembly ............................................................................................ 40

Figure 25 — Counterweight System ............................................................................................ 42

Figure 26 — Wash & Rinse Assemblies ...................................................................................... 44

Figure 27 — Track Assembly........................................................................................................46

Figure 28 Drain System............................................................................................................ 48

Figure 29 — Wash Tank Components (Electric Heat) .................................................................. 50

Figure 30 — Steam Coil Tank Heat .............................................................................................. 52

Figure 31 — Steam Coil (Low Pressure) Tank Heat .................................................................... 54

Figure 32 — Scrap Screens & Baskets.......................................................................................... 56

Figure 33 — Piping without Booster ............................................................................................ 58

Figure 34 — Piping with Steam Booster ...................................................................................... 60

Figure 35 — Steam Booster (Mounted under Tank) .................................................................... 62

Figure 36 — Side Mounted Steam Booster ................................................................................ 64

Figure 37 — Low Pressure Steam Booster .................................................................................. 68

Figure 38 — Electric Booster (Mounted under Tank) .................................................................. 70

Figure 9 — Electric Booster 70˚ Rise (Side Mounted) .............................................................. 74

— Side Mounted Booster Cabinet ................................................................................ 76

Figure 41 — Pump Assembly........................................................................................................ 78

Figure 42 — Machine Control Panel ............................................................................................ 80

Figure 43 — Machine Control Cabinet ........................................................................................ 82

Figure 44 — Booster Control Cabinet ........................................................................................ 84

Figure 45 — Vent Fan Control Cabinet (Optional) ...................................................................... 86

Figure 46 — Racks ........................................................................................................................ 88

iv

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v

LIMITED WARRANTY

Champion Industries Inc. (herein referred to as Champion), P.O. Box 4149, Winston-Salem, North Carolina 27115, and

P.O. Box 301, 2674 N. Service Road, Jordan Station, Canada, L0R 1S0, warrants machines, and parts, as set out below.

Warranty of Machines: Champion warrants all new machines of its manufacture bearing the name “Champion” and

installed within the United States and Canada to be free from defects in material and workmanship for a period of one

(1) year after the date of installation or fifteen (15) months after the date of shipment by Champion, whichever occurs

first. [See below for special provisions relating to glasswashers.] The warranty registration card must be returned to

Champion within ten (10) days after installation. If warranty card is not returned to Champion within such period, the

warranty will expire after one year from the date of shipment.

Champion will not assume any responsibility for extra costs for installation in any area where there are jurisdictional

problems with local trades or unions.

If a defect in workmanship or material is found to exist within the warranty period, Champion, at its election, will

either repair or replace the defective machine or accept return of the machine for full credit; provided, however, as to

glasswashers, Champion’s obligation with respect to labor associated with any repairs shall end (a) 120 days after

shipment, or (b) 90 days after installation, whichever occurs first. In the event that Champion elects to repair, the labor

and work to be performed in connection with the warranty shall be done during regular working hours by a Champion

authorized service technician. Defective parts become the property of Champion. Use of replacement parts not

authorized by Champion will relieve Champion of all further liability in connection with its warranty. In no event

will Champion’s warranty obligation exceed Champion’s charge for the machine. The following are not covered by

Champion’s warranty:

a. Lighting of gas pilots or burners.

b. Cleaning of gas lines.

c. Replacement of fuses or resetting of overload breakers.

d. Adjustment of thermostats.

e. Adjustment of clutches.

f. Opening or closing of utility supply valves or switching of electrical supply current.

g. Cleaning of valves, strainers, screens, nozzles, or spray pipes.

h. Performance of regular maintenance and cleaning as outlined in operator’s guide.

i. Damages resulting from water conditions, accidents, alterations, improper use, abuse, tampering, improper

installation, or failure to follow maintenance and operation procedures.

j. Wear on Pulper cutter blocks, pulse vanes, and auger brush.

Examples of the defects not covered by warranty include, but are not limited to: (1) Damage to the exterior or interior

finish as a result of the above, (2) Use with utility service other than that designated on the rating plate, (3) Improper

connection to utility service, (4) Inadequate or excessive water pressure, (5) Corrosion from chemicals dispensed in

excess of recommended concentrations, (6) Failure of electrical components due to connection of chemical dispensing

equipment installed by others, (7) Leaks or damage resulting from such leaks caused by the installer, including those at

machine table connections or by connection of chemical dispensing equipment installed by others, (8) Failure to comply

with local building codes, (9) Damage caused by labor dispute.

Warranty of Parts: Champion warrants all new machine parts produced or authorized by Champion to be free from defects

in material and workmanship for a period of 90 days from date of invoice. If any defect in material and workmanship is

found to exist within the warranty period Champion will replace the defective part without charge.

DI

SCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY. CHAMPION’S WARRANTY IS ONLY TO

THE EXTENT REFLECTED ABOVE. CHAMPION MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED,

INCLUDING, BUT NOT LIMITED, TO ANY WARRANTY OF MERCHANTABILITY, OR FITNESS OF PURPOSE.

CHAMPION SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. THE REMEDIES

SET OUT ABOVE ARE THE EXCLUSIVE REMEDIES FOR ANY DEFECTS FOUND TO EXIST IN CHAMPION

DISHWASHING MACHINES AND CHAMPION PARTS, AND ALL OTHER REMEDIES ARE EXCLUDED,

INCLUDING ANY LIABILITY FOR INCIDENTALS OR CONSEQUENTIAL DAMAGES.

Champion does not authorize any other person, including persons who deal in Champion dishwashing machines to change this

warranty or create any other obligation in connection with Champion Dishwashing Machines.

WARRANTY

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vi

SAFETY SUMMARY

Safety Symbols

• The following symbols appear throughut this manual alerting you to potential hazards.

Statements associated with each symbol are printed on italics.

WARNING:

Warning statements indicate any condition or practice that could result in personal injury or

possible loss of life.

CAUTION:

Caution statements indicate any condition or practice which, if not strictly observed or

remedied, could result in damage to or destruction of the dishwasher.

NOTE:

Note statements indicate any condition or practice which, if observed, will help in the safe

completion of a task.

General Safety Rules

• The following general safety rules must be observed in addition to the specific cautions

and warnings presented in this manual.

• Your Champion pot and pan washer uses hot water to clean and sanitize a variety of wares.

Machine surfaces and wares become hot during and immediately following normal

operations. Operators should use caution when loading and unloading wares from

the machine.

• Operators must NOT bypass a safety interlock or control(s) to operate unit.

• The service and maintenance instructions contained in this manual are intended for qualified

service personnel. These instructions assume that you are trained in basic electricity and

mechanical theory. If you are not a trained technician, then do not attempt to adjust or

repair the dishwasher as serious personal injury or damage to the dishwasher may result.

SAFETY SUMMARY

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1

INTRODUCTION

Welcome to Champion....

and thank you for allowing us to take care of your dishwashing needs.

This manual covers several models. Model numbers are shown on the front cover.

Your machine has been completely assembled, inspected, and thoroughly tested at our factory

before it was shipped to your installation site.

This manual contains:

• Warranty information

• Operation and cleaning instructions

• Maintenance instructions

• Troubleshooting guide

• Basic service information

• Replacement parts lists

• Electrical schematics

Complete and return your warranty registration card within ten (10) days after the installation of

your machine.

All information, illustrations and specifications contained in this manual are based upon the

latest product information available at the time of publication. Champion constantly improves its

products and reserves the right to make changes at any time or to change specifications or design

without notice and without incurring obligation.

For your protection, factory authorized parts should always be used for repairs.

Replacement parts may be ordered from your Champion authorized service agency. When

ordering parts, please supply the model number, serial number, voltage and phase of your

machine, the part number, part description, and quantity.

INTRODUCTION

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GENERAL

This manual covers the Champion pot, pan, and utensil door type washing machine. This

machine is fully automatic and is equipped with a 7.5 Hp wash pump motor. This model is

available for straight-through, corner or front-loading operation.

Standard Features

• Balanced door system • Interchangeable upper and lower

• Detergent/chemical connection wash and rinse arms

provisions • Door safety switch on each door

• Low water tank heat protection • Enclosure panels (front and sides)

• Recessed, front-mounted controls • External lift-out refuse basket

• Six-inch diameter vent connections • Fully automatic wash and rinse cycle

• Hold-down grid • Tank heater (choice of electric, steam

• Ten-inch shelf on front-loading coils or steam injectors)

machines

• Field convertible to corner model

Options & Accessories

• Stainless Steel Booster (interplumbed and intewired)

Steam: 40˚F/23˚C-70˚F/39˚C rise (built in booster)

(externally mounted with cover for corner model)

Electric: 40˚F/23˚C rise (built-in)(externally mounted with cover for corner model)

70˚F/39˚C rise (externally mounted with cover)

NOTE:

ALL electric boosters require separate electrical connection.

• Exhaust Fan, 1/3Hp

• Stainless steel rack

Basket Rack P/N 109584

Pan Rack P/N 109585

Utility Rack P/N 109586

Bake Sheet Rack P/N 109587

GENERAL

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INSTALLATION

Unpacking

Your dishwasher was completely assembled, inspected, and thoroughly tested at our factory

before shipment to your installation site.

• The pot, pan, and utensil washer is shipped on a single pallet.

• Optional components may have been shipped separately.

• Check your packing list thoroughly.

NOTE:

Care should be taken when lifting the machine. The piping under the base can be damaged.

Remove the dishwasher front panels if lifting from the front with a forklift.

BE SURE TO COMPLETE AND RETURN

THE WARRANTY CARD

INCLUDED WITH YOUR MACHINE

NOTE:

The installation of your pot, pan, and utensil washer must meet all applicable health and

safety codes and conform to good trade practice.

1. Immediately after unpacking your machine, inspect for any shipping damage. If damage is

found, save the packing material and contact the carrier immediately.

2. Check the interior of the dishwasher for the following items stowed inside:

• 1 set of dishracks

• Upper and lower spray arm assemblies

• Warranty information packet

3. Move the dishwasher to its permanent location. Move the machine while on the skid.

Do not lift on any of the piping under the base.

INSTALLATION

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PERMANENT PLACEMENT

Special Tools-

• Bubble Level (3ft)

Perform the following steps to place the dishwasher in its permanent location.

1. Before moving the dishwasher into position, inspect the location site to ensure the electrical,

plumbing, and ventilation services (if required) are provided in the correct locations.

Compare the site connections with the dishwasher to ensure they will match when the

machine is set in its permanent location.

2. Remove the skid.

3. Place a 3ft. level on top of the pot and pan washer or inside the dishwasher on the track

assembly to level the dishwasher front to back. Adjust the level by turning the adjustable

feet. Level side to side with the level place on the top of the unit.

4. Remove the control cabinet cover and the right side panel for the booster cabinet

(if applicable), to expose the electrical terminal connection points.

Plumbing Connections

WARNING:

The installation of this unit must conform to local codes or, in the absence of local codes,

to all National Codes governing plumbing, sanitation, safety and good trade practices.

1. Incoming water supply line is 1” for water connections. Connect the hot water supply at the

final rinse piping connection located at the top right rear of machines with boosters.

2. A “Y” line strainer is provided by Champion for machines without boosters. A pressure

reducing valve (PRV) is provided by Champion for machines with built-in boosters.

3. If the incoming hot water supply pressure exceeds 25 psi [173 kPa], a PRV must be installed

and set to 20-22 psi [138-151 kPa] flowing pressure. The PRV may be purchased from

Champion or supplied by others.

4. Install a manual shut-off valve in the steam and water supply lines to accommodate servicing

the machine. The valve should be the same size as or larger than the supply line.

5. Provide a suitable gravity drain to connect to the 1-1/2" NPT machine drain connection.

INSTALLATION

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Electrical Connections

NOTE:

Electrical and grounding connections must comply with the National Electrical Code and/or

Local Electrical Codes.

WARNING:

When working on the unit, disconnect the electric service and tag it to indicate work is being

done on that circuit.

1. A qualified electrician should compare the electrical specifications on the machine electrical

connection plate (located inside the control cabinet) to the electrical power supply before

connecting to the incoming service at a fused disconnect switch.

2. The unit is phased at the factory. The phasing of the incoming service can be checked by the

rotation of the pump shaft. The pump shaft should rotate in the direction of the discharge,

indicated by an arrow on the casting. If the machine is out of phase, make changes at the

control cabinet main terminal block and not at the motor.

3. A knock-out plug is provided at the rear of the control cabinet for electrical service

connections. Electric booster requires a separate connection.

Ventilation

1. Stainless steel watertight ducting should be installed INSIDE the 6” diameter vent collar on

the top of the machine.

• The machine requires 200 CFM @ 1/4" (SP), [95 Liters/sec].

2. There shall be a minimum of 8 air changes per hour of kitchen air.

CAUTION:

Exhaust air should not be vented into a wall, ceiling, or concealed space of a building.

Condensation will cause damage.

INSTALLATION

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CHEMICAL CONNECTIONS

!! ATTENTION POT AND PAN WASHER OWNER!!

Your pot and pan washer is designed to work best with liquid commercial dishwashing

chemicals. Detergents must be a commercial non-foaming liquid. Champion strongly

recommends that you contact a qualified chemical supplier to supply these products and to

set-up your machine for the first time.

1. Use a qualified detergent/chemical supplier.

2. Labeled control circuit connection terminals are provided in the control cabinet for detergent

and rinse agent dispensing equipment (supplied by others).

3. Refer to the wiring schematic for connection points. Signal connection points include:

• Detergent signal 120VAC, 1 Amp Max amp load.

• Rinse aid signal 120VAC, 1 Amp Max amp load.

4. A removable black plastic plug is provided on the lower left side of the wash tank, behind

the panel, for the installation of the detergent conductivity cell.

5. The detergent input tube should be located above the conductivity cell and the scrap screens.

6. Liquid product is available in 1 to 30 gallon containers and should be located within the

sight of the operator.

CAUTION:

Never use residential nonautomatic dishwashing detergents such as JOY™ or DAWN™, or

any other liquid designed for the handwashing of wares, in your machine. Extreme foaming

inside your Champion pot and pan washer will cause operation problems.

Rinse Aid Connections

1. Rinse aid injection system should be installed by a qualified detergent/chemical company.

2. A removable plug in the fill line on top of the machine, at the rear, will be the rinse

injection point.

3. Since the final rinse is controlled by the machine timer, rinse aid is only introduced during

this cycle.

4. Refer to the wiring schematic for the connection points in the form of two terminal screws.

3. The reservoir should be placed within sight of the operator with machine doors in the open

position. The liquid product is available in 1 to 6 gallon containers.

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INSTALLATION

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Installation of Dish Tables

1. Load and unload machine openings are 28-7/8”, therefore, table width should be 29” with a

3/4” turned down lip. (33-1/2” max entry).

2. The formed down lip of the dishtable should be placed inside the machine. The dishtable

should be pitched toward the dishwasher for proper draining by adjusting its leveling feet.

The dishtable should be sealed to the dishwasher.

Completing Installation

WARNING:

Do not insert racks into machine before tanks fill with water. Operating pumps dry will cause

pump seal damage and leakage that can result in a motor failure.

1. Remove any foreign material from inside the machine.

2. Check to ensure that drains and overflow pipes are operational and sealed.

3. Position scrap screens on supports above the tanks.

4. After plumbing and electrical connections are completed, fill the tank and wait 10

minutes. Check all plumbing connections for leaks.

5. Drain the tank and check the drain lines for leaks.

INSTALLATION

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OPERATION

INITIAL START-UP

Check your site to ensure that all plumbing and electrical connections have been properly made by

qualified personnel. Check the installation of chemical dispensing systems. Perform the following

steps to prepare your machine for operation.

1. Check the exterior of the machine for any foreign material and remove.

2. Check the interior of the machine for any foreign material and remove.

3. Remove the lower spray arms and the scrap screens.

4. Make sure that all loose tape, nut, bolts and paper have been removed from the interior.

5. Replace the scrap screen and clean if required.

6. Make sure that the upper and lower spray arms are in place and that the nozzles are clean. The

arms are held in place by knurled retaining screws. The arms are interchangeable.

7. Check the chemical supply containers and fill as required. Detergent may be introduced by hand,

for the first initial start up, on the top of the screens (follow chemical supplier’s directions).

8. Open the water supply valve. Check for leaks and take any corrective action that may be

needed.

9. Open the final rinse pet cock under the pressure gauge.

10. Check the drain and/or drain connections to ensure that drains are functional.

11. Turn the main power on at the breaker panel or fused disconnect switch.

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OPERATION

BASIC OPERATION

Perform the following steps to prepare and load your wares for washing.

1. Scrap and rinse wares to remove any heavy food particles and other debris.

2. Place wares into rack.

3. Place rack into the machine and close all doors.

4. Flip the power toggle switch, located on the control cabinet, to ON.

5. The power ON red light will glow and the machine should begin to fill.

6. Wait until the machine has stopped filling. Check for leaks and observe the wash

temperature gauge. The minimum wash temperature is 150˚F.

7. Turn the wash cycle timer face counterclockwise to stop (2 minutes). Push the GREEN start

button, machine will start. The GREEN in-cycle light will remain on. During the final rinse

(15 seconds) check the rinse temperature gauge. The minimum temperature for the final

rinse is 180˚F.

8. If for any reason the doors are opened during the cycle, the machine will stop. Closing the

doors will restart the machine where the cycle was stopped at timewise.

9. Check the Detergent/Rinse Aid feed during the machine operation.

10. For best results, clean the scrap screens and scrap baskets after each meal period. REPLACE

the tank water every 8 hours of operation.

11. Check the chemical supply. Replenish any chemicals as needed.

12. Follow the Maintenance section of this manual for DAILY and WEEKLY maintenance.

CAUTION:

DO NOT leave water in tank overnight.

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MAINTENANCE

The efficiency and life of your machine is increased by regularly scheduled preventive maintenance.

A well maintained machine gives better results and service. An investment of a few minutes of

daily maintenance will be worthwhile.

The best maintenance you can provide is to keep your machine clean. Components that are not

regularly cleaned and flushed will clog and become inoperative.

Intervals shown in the following schedules represent an average length of time between necessary

maintenance. Maintenance intervals should be shortened whenever your machine is faced with

abnormal working conditions, hard water, or multiple shift operations.

CLEANING

Daily-Every 8 Hours of Operation

1. Turn power switch to OFF.

2. Drain the tank and flush with water.

2. Remove all scrap screens, scrap baskets and pull drain lever to drain water. Clean inside of

tank and flush with clean water. Backflush scrap screens and basket until clean. Do not strike

screens or basket against solid objects.

3. Remove the spray pipes. Remove the end plug from each spray pipe. Flush pipe and nozzles

until clean. Do not strike spray pipes against solid objects. Check bearings in arms to

ensure that they are clean of any debris and do not need replacing. Reinstall spray pipes.

At the End of Day

1. Drain the machine.

2. Check and clean scrap screens, scrap basket and pump suction screen.

3. Clean the spray arms.

4. Wash inside of machine with fresh water (tank, sides and top).

CAUTION:

Do not hose down the exterior of the machine with water.

5. Leave the doors open to aid in drying the interior of the machine.

6. Clean the exterior of machine with a mild soap solution.

6. Check detergent and rinse aid additive, replenish if necessary.

7. Report any unusual conditions to your supervisor.

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MAINTENANCE

PREVENTATIVE MAINTENANCE SCHEDULES

Daily Maintenance Requirements

1. Check the chemical supply containers and replenish as needed.

2. Inspect the scrap screens and baskets for bent or damaged parts.

3. Check the spray arm bearings and make sure that arms turn freely.

4. Check pump motor for leaks around shaft.

5. Check thermometers for proper readings.

Weekly Maintenance Requirements

1. Inspect for leaks including all piping and supply connections. Tighten or repair as needed.

2. Inspect the door for proper fit and ease of operation.

3. Check the operation of door safety switches.

4. Thoroughly clean any residue from the exterior of machine.

5. Check drain/overflow tube for leaks.

Semi-Annual Maintenance Requirements

1. Inspect all chemical connections and supply tubing for leaks.

2. Check the building drain system and clean as needed.

Yearly Maintenance Requirements

1. Inspect the installation site for cleanliness and any foreign material around the machine. Clean

as required.

2. Check the overall condition of the machine. Replace any worn or damaged parts.

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MAINTENANCE

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DELIMING

Your dishwasher should be delimed regularly as required. This will depend on the mineral

content of your water. Inspect your machine interior for lime deposits. If deliming is required, a

deliming agent should be used for best results. Consult your chemical supplier for proper type

and procedures.

/1ffl>j

DANGER:

)Deliming

solution, rinse agents, or other acids must not come in contact with household

bleach (sodium hypochlorite) or any chemicals containing chlorine, iodine, bromine, or

fluorine. Mixing may cause hazardous gases to form. Consult your chemical supplier

Remove all racks and wares from the machine.

Remove chemical pick-up tubes from the containers and place in a catch pan on the floor.

Place each tube in a container of fresh water and prime the chemical lines for several minutes

to throughly flush chemical from the lines. Leave pick-up tubes out of their containers.

Drain the machine and refill with fresh water.

Spray interior walls with deliming solution and let stand for 5 or 10 minutes depending on

the amount of buildup.

Open door and add deliming solution (per chemical supplier's instructions) directly in

wash tank.

PP-28 holds 24 US gallons (90.8 Liters) of water.

Close doors.

Push start button and run an automatic cycle.

Repeat steps 3 and 4 if necessary.

Drain machine.

Open door and inspect interior for mineral deposits. Repeat steps 3-10 if required.

Run two (2) additional cycles to flush all deliming chemicals from machine.

Drain and refill machine.

Replace chemical pick up tubes in containers and prime chemical dispensing system.

Deliming process is complete.

LUBRICATION

There are two lubrication points on the pump assembly

motor. The pump motor should be greased every 100

hours of running time with a high temperature and

high pressure bearing grease. DO NOT over

lubricate. One to two pumps of the grease gun is

sufficient.

Figure 1

Lubrication Points

Figure 1

Lubrication Points

MAINTENANCE

DELIMING

Your dishwasher should be delimed regularly as required. This will depend on the mineral

content of your water. Inspect your machine interior for lime deposits. If deliming is required, a

deliming agent should be used for best results. Consult your chemical supplier for proper type

and procedures.

DANGER:

Deliming solution, rinse agents, or other acids must not come in contact with household

bleach (sodium hypochlorite) or any chemicals containing chlorine, iodine, bromine, or

fluorine. Mixing may cause hazardous gases to form. Consult your chemical supplier.

1. Remove all racks and wares from the machine.

2. Remove chemical pick-up tubes from the containers and place in a catch pan on the floor.

3. Place each tube in a container of fresh water and prime the chemical lines for several minutes

to throughly flush chemical from the lines. Leave pick-up tubes out of their containers.

4. Drain the machine and refill with fresh water.

5. Spray interior walls with deliming solution and let stand for 5 or 10 minutes depending on

the amount of buildup.

6. Open door and add deliming solution (per chemical supplier’s instructions) directly in

wash tank.

• PP-28 holds 24 US gallons (90.8 Liters) of water.

7. Close doors.

8. Push start button and run an automatic cycle.

9. Repeat steps 3 and 4 if necessary.

10. Drain machine.

11. Open door and inspect interior for mineral deposits. Repeat steps 3-10 if required.

12. Run two (2) additional cycles to flush all deliming chemicals from machine.

13. Drain and refill machine.

14. Replace chemical pick up tubes in containers and prime chemical dispensing system.

15. Deliming process is complete.

LUBRICATION

There are two lubrication points on the pump assembly

motor. The pump motor should be greased every 100

hours of running time with a high temperature and

high pressure bearing grease. DO NOT over

lubricate. One to two pumps of the grease gun is

sufficient.

12

Grease

Fittings

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